Nut-lock



(No Model.)

H. SCHWEITZBR.

' NUTLOGK.

UNITED STAT-12s PATENT Enron;

HENRY SCIIIVEITZER, OF FREEMANSBURG, PENNSYLVANIA.

NUT-LOCK.

SPECIFICATION forming part of Letters Patent No. 588,661, dated August 24, 1897'.

Application liled December 4, 1896. Serial No. 614,492. (No model.)`

To all whom tm/wy concern.-

Beit known that I, HENRY SCHWEITZER, a citizen of the United States, residing at Freemansburg, in the county of Northampton and State of Pennsylvania, have invented certain new and useful Improvements in Nut- Locks, of which the following is a specilication.

My invention relates to a new and useful improvement in nut-locks, and has for its object to provide a device of this description which shall be simple of construction, readily applied, and when in place cannot be accidentally removed, and will securely hold the nuts against retrograde movement and yet may be easily withdrawn in order that the nuts may be tightened to compensate for Wear and again replaced, so as to hold said nuts as before described. l

With these ends in view my invention con' thereto; Fig. 2, a horizont-al longitudinal section of the rails and the lock secured in position around the nuts, and Fig. 3 a crosssection at the line` of Fig. 2.

Referring to the drawings in detail, A represents the ordinary rails of a railway, Which are secured together' by the fish-plates B, bolts C, and nuts D in the usual manner, and to prevent the retrograde movement of Athese nuts I provide a lock which consists of a housing E, made in trough form, whose crosssection corresponds to the shape of the nuts and is thus adapted to slide over said nuts, as clearly shown, and in order that this housing may be more securely held in place I prefer to slightly bevel the sides of the nuts, so that when the sides of the housing are of a corresponding bevel said housing may not be withdrawn from said nuts except longitudinally, as will be readily understood.

VIn practice I prefer to close the end of the housing, as at F, and secure adetent G thereto at I-I, which detcnt is provided with a nose I, adapted to engage with one of the nuts by Thus it will be seen that when the nutsr have been properly set in securing the 'rails together they `may be held against any retrograde movement by the engagement thereof of the housingand the locking of said housing inv position by the detent, asY just described, and when it is necessary to further adjust the nuts to compensate for wear, as is often the case, it is only necessary to withdraw the detent from engagement with the nutand slide the housing longitudinally, thus exposing the nuts for application of a suitable wrench.

It isl obvious that the exact design here tain extent without departing from the spirit of my invention, and I therefore do not Wish to be limited to this exact construction.

Having thus fully described myinvention, what I claim as new and useful is- 1. In combination with a series of nuts having beveled sides, a housing having sides correspondingly beveled, said housing being closed at one end and means for preventing Y the housing from slipping in the direction of the closed end when adjusted, substantially as described.

2. In combination with a series of nuts having their sides beveled,'a housing of 4trough shape whose sides in cross-section are adapted to be beveled of said nuts, said housing having one of its ends closed,and a detent secured to saidhousing having a nose'projecting through an opening so as to engage one of said nuts, substantially as shown and described.

3. A nut-lock consisting of a housing ICO In testimony whereof I have hereunto aifixed my signature in the presence of two sub- 1o scribing Witnesses.

HENRY SCHWEITZER.

Witnesses:

S. S. WILLIAMSON, HARRY S. SCHWEITZER. 

